UK Product Handbook 2026 - Volume 2

Steam traps Inverted bucket

8

Pressure/temperature limits (ISO 6552) - Flanged EN1092-1 (continued)

Pressure psi g

L K

A

Steam saturation curve

L K

-29

Pressure bar g

The product must not be used in this region or beyond the parameter of the PMA or TMA of the relative end connection.

* Please note that the PMO is limited to the maximum D P of the selected IBV.

Body design conditions

PN100

PMA - Maximum allowable pressure

25 bar g @ 50 °C

TMA - Maximum allowable temperature

425 °C @ 11.2 bar g

Minimum allowable temperature

-29 °C

A-K-K

PN25

5.6.68

* PMO - Maximum operating pressure for saturated steam service

25 bar g @ 226 °C

TMO - Maximum operating temperature for saturated steam service

226 °C @ 25 bar g

Designed for a maximum cold hydraulic test pressure of:

35.7 bar g

PMA - Maximum allowable pressure

16 bar g @ 50 °C

TMA - Maximum allowable temperature

538 °C @ 5.9 bar g

Minimum allowable temperature

-29 °C

A-L-L

PN16

8.6 75

* PMO - Maximum operating pressure for saturated steam service

16 bar g @ 204 °C

TMO - Maximum operating temperature for saturated steam service

204 °C @ 16 bar g

Designed for a maximum cold hydraulic test pressure of:

22.8 bar g

TI-P067-15 CMGT Issue 5

Page 7 of 17

IBV Series Z Alloy Steel Inverted Bucket Vertical Steam Trap

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